JPH10303578A - Holder for placing plate in enclosure for electrical equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a holder that places a plate, for example, a circuit card in an enclosure for electrical equipment including a bottom part, and can pull the plate upward at an edge. SOLUTION: A holder 310 includes a holder member 3 and a sealing means 34 that is a separate connection member 10 and seals a plate to the connecting member 10, and its holder member 3 and the connecting member 10 form the hinge means of a shaft slot type. Then, the hinge means includes hinge shafts 30 and 31, and slots 32 and 33 are formed by a flexible wall that is arranged so that it is bent when a force is directed toward the horizontal connection member 10 being supported on the holder member and the hinger shafts 30 and 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention relates to a holder for mounting a plate, for example a front plate, a contact protection plate or a circuit card, in a housing for electrical equipment, including a bottom. , Constituted by an elongate element comprising a body part, and having at least one end with fastening means for fastening the holder to the bottom, wherein the holder pivotally secures the plate to the holder at one end edge thereof The plate can be lifted upwards at the edge opposite said one edge, which, when securing the holder to the bottom of the housing,
The present invention relates to a device capable of accessing a space below a plate in a housing.

[0002]

BACKGROUND OF THE INVENTION Numerous types of holders are known for mounting a plate in a housing for electrical equipment. After the plate is mounted on the holder in the housing, it is not possible to access the space below the plate in the housing without loosening the plate from the holder or the holder from the housing. If the enclosure has already accommodated different types of electrical components, it is often necessary to enter the interior of the enclosure. This need arises, for example, because of some defect in the components of the housing to be repaired or because changes have to be made in the contents of the components.

[0003] US Patent 5,235,494 discloses a holder that allows access into the space below the mounting plate in the housing when the plate is secured to the bottom of the housing. However, this known holder does not allow access to said space by rising from either edge of the plate. In addition, it cannot easily remove the plate from the housing only by lifting.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to facilitate and facilitate maintenance and changes in a housing by mounting a plate.

[0005]

This object is achieved by means of a holder according to the invention, wherein the holder is a separate connecting member from the holder member, for securing the plate to the connecting member. Including a securing means, the holder member and the coupling member together forming a shaft-slot type hinge means, the hinge means comprising a hinge shaft and a slot,
The slot is formed by a flexible wall arranged to bend when a force is applied to the holder member and a horizontal connecting member supported on the hinge shaft, said force being used to remove the connecting member from the holder member. Are substantially perpendicular to the connecting member and are characterized by being directed upward from the end face of the connecting member facing the end face. Preferred embodiments of the holder according to the invention are set out in the appended claims 2-9.

[0006] The holder of the present invention enables easy and quick hinged attachment of the plate to the housing.
It provides easy access into the space below the plate in the enclosure. That is, the plate is first fixed to the connecting member at the easiest place anywhere, that is, not necessarily at the location of the housing, and then the plate and the connecting member are fixed to the holder member without tools. This is what is fixed to the housing. Since the opposite edges of the plate comprise the same hinge means, it is possible to select the hinge direction of the plate without the need for various hinged components depending on the opening direction. By virtue of the hinged means, the plate in place can alternatively be opened from both directions, or it can be removed from the housing. Opening of the plate, ie, access to components of the housing below the plate, does not necessarily require tools.

In the following, the invention will be explained in more detail by means of an embodiment with reference to the accompanying drawings.

[0008]

DETAILED DESCRIPTION OF THE INVENTION FIG. 1 shows the bottom 1 of a housing for an electrical appliance, wherein a front plate 2 is fastened to the bottom by a holder 310 according to the invention. The housing cover is not shown in the figure. This housing is of the type comprising corner turrets 4 to 7, one at each corner. The holder 310 comprises a holder member 3 and a connecting member 10, which holder is aligned to be supported on top of the corner turrets 4 and 5, against which screws 8, 9 (see FIG. 2). Fastened and screw holes 21, 22 are provided in the holder member.

2 and 3, the holder member 3 and its connecting member 10 are shown in more detail. The holder member 3 comprises, at both ends, an elongated body 11 having wedge members 12 and 13. Slit 14
And 15 are provided between the wedge members 12, 13 and the main body 11, respectively. The slits 14, 15 provide material weakenings 16, 17 to the holder member 3, which make the wedge members 12, 13 flexible and can be bent and moved away from the body part 11, whereby The holder member 3 becomes longer when the screws 8, 9 are tightened inward, ie, tightened. Arrows A and B indicate wedge members 12, 13 when screws 8, 9 are tightened.
Indicates the direction in which the bends. Wedge members 12, 13
Is bent in the directions of arrows A and B, the slit 14,
15 will be larger.

2 and 4, the wedge members 12, 1
It is clear that 3 comprises supporting surfaces 18, 19, which have a design corresponding to that of the corner turrets 4, 5. Therefore, the support surfaces 18 and 19 are provided on the corner turret 4 that presses the wedge members 12 and 13,
5 is curved similarly to the surface 20. The plate 2 is an elongated connecting member 10 having two end faces 27, 28 (FIG. 1).
And 3) are fastened to the holder member. Next, the plate 2 is connected to the connecting member 1.
0 is fixed to the groove 29. The depth of the groove substantially corresponds to the thickness of the plate 2, and the length is the main body 1 of the holder member.
It corresponds to one length. Since the connecting member 10 can rotate the plate 2, when the holder 310 is mounted in place, the plate is inclined with respect to the bottom of the housing. In FIG. 1, the plate 2 has been rotated to a position perpendicular to the bottom of the housing. In FIG.
The coupling member is in a position that provides the plate with a direction that coincides with the direction of the bottom of the housing. In FIG. 5, the connecting member is rotated by an angle α = about 45 degrees. This angle can vary steplessly within the range of 0 to 90 degrees.

In order to be able to rotate the connecting member 10 in the manner described above, the holder 310 comprises hinge means. This hinge means comprises two short shafts or hinge pins 30, 31 arranged in the holder member 3 and slots 32, 33 in the connecting member 10. The slots 32, 33 cooperating with the hinge pins 30, 31 are aligned to open downwardly from the lower end surface 28 of the connecting member. If the plate 2 is not parallel to the bottom of the housing, the locking wall 35 will connect the connecting member 10 to the hinge pins 30, 31.
Prevent from falling off. Locking means of a type other than the locking wall may be designed.

The slots 32, 33 are provided with flexible walls 36, 37.
Surrounded by The significance of the flexible wall is that the connecting member 10 in a horizontal position with respect to the holder member 3 is snapped into place by pressing against the holder member, and the slots 32, 33 are hinged pins 30, 31.
Is to be able to enclose. The connecting member 10 in the horizontal position is pulled up by a sufficient force, and the walls 36, 37
When the hinge pins are moved over the hinge pins, the slots 32, 33 are released from the hinge pins 30, 31, and the connecting member 10 together with the plate 2 can be removed from the holder member 3. Connecting member 10
Comprises one to three holes for fastening to the plate 2 by screws 25,26.

When the holder 3 is fixed to the bottom of the housing, it is first mounted at the desired height of the corner turrets 4, 5, and then the screws 8, 9 (see FIG. 2) are tightened, whereby the wedge members 12 , 13 expand laterally and press the support surfaces 18, 19 against the curved surface 20 of the turret member. In this method, the holder is mounted on the support surface 1.
By friction surfaces 18, 19 constituted by 8, 19,
It can be fixed to the corner turrets 4 and 5. This fixation is very firm.

FIG. 2 shows that the holder is provided with the holes 21 and 22.
In addition to the above, two other fixing holes 23 and 24 are formed in the main body 11.
At the ends of the These fixing holes 23 and 24 are intended to firmly fix the plate 2 directly to the holder member 3 with screws 25 and 26 without using the connecting member 10 of FIG. The screws 25, 26 enable a firm attachment of the plate 2 to the holder member, ie without using hinges (see FIG. 6). The holder member 3 is preferably prepared integrally with the wedge members 12, 13 from plastic. The length of the holder member is, of course, selected to be compatible with the internal dimensions of the housing. The connecting member 10 is also prepared in one piece from plastic.

The invention has been described above by way of example only, and it is pointed out that the invention can be carried out in numerous ways within the scope of the appended claims.
Thus, for example, the hinge pin is arranged on the connecting member,
It is conceivable to arrange a hinge slot in the holder member. Instead of two hinge pins, it is possible to use a single long hinge pin or shaft that extends from one end of the body of the holder member to the other. Correspondingly, instead of two slots, it is possible to use one slot, which extends from one end of the connecting member to the other. It is also conceivable to provide a wedge member only at one end of the holder. It is also possible with this type of solution to extend the holder, which can be locked to the bottom of the housing by a friction joint. The advantage of this type of solution is that the holder can be fastened to the housing very quickly by using only one screw. Further, it is possible to align the holder with the inner wall of the housing such that it is secured to the inner wall rather than to the corner turret. The displacement of the wedge member in such a way that the holder member is longer can also be implemented in a way other than providing a slit between the body part of the holder member and the wedge member. That is, it is conceivable, for example, that the material of the wedge member bends so that when the screw is screwed into the hole in the wedge member, the hole expands and causes a corresponding expansion or expansion of the wedge member. In the last-mentioned case, the support surface will of course be small. Even if it is preferred, it is not absolutely necessary that the fastening means be a screw. The reason is that the screw is a standard component.

[Brief description of the drawings]

FIG. 1 shows a holder according to the invention mounted in a housing.

FIG. 2 shows the components of the holder of FIG. 1 separately.

FIG. 3 shows the components of the holder of FIG. 1 separately.

FIG. 4 is a diagram illustrating the operation of the holder of FIG. 1;

FIG. 5 is a diagram illustrating the operation of the holder of FIG. 1;

FIG. 6 illustrates how a holder is used to mount a plate to a housing without using a hinge.

[Explanation of symbols]

 2 Plate 3 Holder Member 8 Fixing Means 9 Fixing Means 10 Horizontal Connecting Member 11 Main Body 12 Fixing Means 13 Fixing Means 29 Groove 30 Hinge Shaft 31 Hinge Shaft 32 Slot 33 Slot 35 Flexible Wall 37 Flexible Wall 310 Holder

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[Procedure amendment]

[Submission date] May 12, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG. 4

FIG.

FIG. 2

FIG. 3

FIG. 5

FIG. 6

Claims (9)

[Claims] 1. A holder (310) for mounting a plate (2), for example a front plate, a contact protection plate or a circuit card, in a housing for an electric appliance, comprising a bottom (1). And the main body (1
Constituted by an elongated element comprising 1),
And at least at one end, there are fastening means (8, 9, 12, 13) for fastening the holder to the bottom, wherein the holder (310) pivots the plate (2) relative to the holder at one edge thereof. The plate comprises a hinge means (30, 31, 32) for securing, so that the plate can be lifted upwards at the edge opposite said one edge, which places the holder on the bottom of the housing. The holder (310) is provided with a holder member (3) and a separate connecting member (10), wherein the plate is connected to the connecting member (10). Including fixing means (34) for fixing to the
The holder member and the linking member together form a shaft-slot type hinge means, the hinge means comprising a hinge shaft (30, 31) and a slot (32, 33), wherein the slot comprises a holder member (3). ) And a flexible member (35, 37) arranged to bend when force is applied to the horizontal connecting member (10) supported on the hinge shafts (30, 31), and the holder member In order to remove the connecting member from (3), the force is substantially perpendicular to the connecting member and is directed upward from the end surface (27) of the connecting member facing the end surface (28). Holder. The slot (32, 33) has a connecting member (1).
0) and is arranged to open downward from one end surface (28) of the connecting member, whereby the hinge shafts (30, 31) are formed on the holder member (3). The holder according to claim 1, characterized in that: 3. By pulling up the connecting member, the connecting member (10) bent at an angle α is connected to the hinge pin (3).
3. Holder according to claim 2, characterized in that it comprises locking means (35) for preventing it from coming off from 0, 31). 4. The connecting member is constituted by an elongated element (10), and the hinge means is a first hinge pin (30) and a second pin (31) and a first slot (32) and a second slot (33). A first hinge pin is located at a first end of the body (11), a second hinge pin is located at a second end of the body, and a first slot is located at a first end of the connecting member (10). Provided in the department,
4. The holder according to claim 3, wherein the second slot is provided at the second end of the connecting member and includes the second slot. 5. The holder according to claim 1, wherein the connecting member comprises a groove for receiving an edge of the plate. 6. The connecting member (10) includes one to three holes (34) for receiving one or more fastening means to secure the plate (2) to the connecting member (10). The holder according to claim 1, wherein the holder is formed. 7. The holder according to claim 4, wherein the holder member (3) with the hinge shaft (30, 31) is manufactured integrally from plastic. 8. A connecting member (1) having a slot (32).
2. The holder according to claim 1, wherein 0) is manufactured in one piece from plastic. 9. The body (11) of the holder (3) comprises at least one fixing hole (23, 24) for fixedly fixing the plate (2) to the holder member. The holder according to claim 1, wherein